This is a randomized discontinuation study of ridaforolimus in patients with advanced NSCLC who have failed at least 1 but no more than 3 prior treatment regimens and who have KRAS mutant lung cancer. Following 8 weeks of open-label ridaforolimus lead-in there will be an assessment of disease status. Patients assessed by the investigator to have stable disease after 8 weeks will be randomized to double-blind treatment with ridaforolimus or placebo. Patients assessed to have partial or complete response will continue on open-label ridaforolimus. Patients assessed to have disease progression will be discontinued from study.
Allocation and Arms Additional Information: All Patients will receive an 8-week open-label lead-in treatment of ridaforolimus. After this 8 week period patients will be re-assessed for disease status. Patients who are stable after 8 weeks are randomized in a double-blind fashion to continue treatment with ridaforolimus or to a placebo until disease progression. (Those patients who have stable disease but are randomized to placebo may cross-over to open-label ridaforolimus at the time of disease progression.) Those patients with tumor shrinkage during the open-label lead-in treatment will continue on open-label ridaforolimus, while those patients who have disease progression at 8-weeks are taken off-study.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
80
Four 10mg tablets of ridaforolimus once daily for five consecutive days each week followed by 2 days days of treatment holiday, during the 8 week lead in treatment period.
Four tablets of blinded ridaforolimus administered daily for 5 consecutive days each week followed by 2 days days of treatment holiday
Four tablets of blinded placebo (to match ridaforolimus) administered daily for 5 consecutive days each week followed by 2 days of treatment holiday
Progression-free survival (PFS) in the randomized population
Time frame: Randomization (Week 8) and every 8 weeks until progressive disease or death
Overall response rate (ORR) in the full analysis population
Time frame: Study entry (Visit 1) and every 8 weeks until progressive disease or death
Overall survival (OS) in the full analysis population
Time frame: From study entry (Visit 1) to death due to any cause
OS in the randomized population
Time frame: From study entry (Visit 1) to death due to any cause
PFS in the full analysis population
Time frame: Study entry (Visit 1) and every 8 weeks until progressive disease or death
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